/Engine/Source/Runtime/Slate/Public/Framework/Text/TextLayout.h
Constructs an array containing the mappings between the text that would be returned by GetAsText, and the internalFTextLocationpoints used within this text layout
void GetTextOffsetLocations ( [FTextOffsetLocations](API\Runtime\Slate\Framework\Text\FTextLayout\FTextOffsetLocations) & OutTextOffsetLocations ) const